leakage of specifics of 204.70.0.0/16

i am still trying to understand why this is causing so much of a problem,
possibly masking a second bug. but i would appreciate knowing how
widespread the leakage is.

r1>sh ip bg 204.70.0.0 255.255.0.0 l
BGP table version is 9494623, local router ID is 206.58.7.1
Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network Next Hop Metric LocPrf Weight Path
* 204.70.1.0 137.39.164.13 10 701 114 ?
*> 137.39.164.9 20 701 114 ?
* 204.70.23.0 137.39.164.13 10 701 114 278 4242 i
*> 137.39.164.9 20 701 114 278 4242 i
h 204.70.29.0 137.39.164.13 20 701 4200 4492 3463 ?
h 137.39.164.9 10 701 4200 4492 3463 ?
*> 204.70.107.0 137.39.164.13 20 701 1 5638 ?
* 137.39.164.9 10 701 1 5638 ?
*> 204.70.128.0/21 137.39.164.13 20 701 3561 4292 i
* 137.39.164.9 10 701 3561 4292 i
* 208.131.0.5 20 5650 3561 4292 i
*> 204.70.138.0 137.39.164.13 20 701 3561 4281 i
* 137.39.164.9 10 701 3561 4281 i
* 208.131.0.5 20 5650 3561 4281 i
*> 204.70.139.0 137.39.164.13 20 701 3561 4286 ?
* 137.39.164.9 10 701 3561 4286 ?
* 208.131.0.5 20 5650 3561 4286 ?
*> 204.70.140.0 137.39.164.13 20 701 3561 4286 ?
   Network Next Hop Metric LocPrf Weight Path
* 137.39.164.9 10 701 3561 4286 ?
* 208.131.0.5 20 5650 3561 4286 ?
*> 204.70.141.0 137.39.164.13 20 701 3561 4286 ?
* 137.39.164.9 10 701 3561 4286 ?
* 208.131.0.5 20 5650 3561 4286 ?
*> 204.70.142.0 137.39.164.13 20 701 3561 4286 ?
* 137.39.164.9 10 701 3561 4286 ?
* 208.131.0.5 20 5650 3561 4286 ?
*> 204.70.144.0 137.39.164.13 20 701 3561 4286 i
* 137.39.164.9 10 701 3561 4286 i
* 208.131.0.5 20 5650 3561 4286 i
*> 204.70.145.0 137.39.164.13 20 701 3561 4286 ?
* 137.39.164.9 10 701 3561 4286 ?
* 208.131.0.5 20 5650 3561 4286 ?
h 204.70.173.0 137.39.164.13 20 701 4200 4492 3463 ?
h 137.39.164.9 10 701 4200 4492 3463 ?
*> 204.70.240.0/20 137.39.164.13 20 701 3561 4292 i
* 137.39.164.9 10 701 3561 4292 i
* 208.131.0.5 20 5650 3561 4292 i